39413890

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{49891}}^1$

素因数の和:49977

約数の個数: 16

約数和(自身を含む): 71844480

約数和(自身を除く): 32430590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 49891, 99782, 249455, 498910, 3941389, 7882778, 19706945, 39413890]

約数ペア:

[(1, 39413890), (2, 19706945), (5, 7882778), (10, 3941389), (79, 498910), (158, 249455), (395, 99782), (790, 49891)]